Subversion Repositories sata_controller_core

//--------------------------------------------------------------------------------

// Entity   mux_21 

// Version: 1.0

// Author:  Ashwin Mendon 

// Description: 2 bit 2:1 Multiplexer

//--------------------------------------------------------------------------------

// Copyright (C) 2012

// Ashwin A. Mendon

//

// This file is part of SATA2 core.

//

// This program is free software; you can redistribute it and/or modify

// it under the terms of the GNU General Public License as published by

// the Free Software Foundation; either version 3 of the License, or

// (at your option) any later version.

//

// This program is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

//

// You should have received a copy of the GNU General Public License

// along with this program.  If not, see <http://www.gnu.org/licenses/>.  

module mux_21

   (

    input wire [1:0] a,

    input wire [1:0] b,

    input wire   sel,

    output reg [1:0] o

    );

  always @ (a or b or sel)

  begin

    case (sel)

      1'b0:

          o = a;

      1'b1:

          o = b;

    endcase

  end

endmodule